Huge storage tank refurbishment equipment

Tank & Terminal Services

Tank & Terminal Services

DIALOG Fitzroy supports Tank and Terminal owners and operators throughout New Zealand and in Australia, providing specialist engineering, project management and technical trade teams

With an emphasis on safety, quality and doing the right thing, we are a full-service provider that adds value to every customer and their project. We continue to think outside the box and our customers rely on us for a unique mix of inspection services, engineering, project management and execution to complete maintenance, refurbishment, repairs and alterations of storage tank and terminal facilities.

When you team with DIALOG Fitzroy, you get a specialist partner that understands your requirement for asset and infrastructure uptime. We know the challenges you face and will present the right team, the right capabilities and a be safe attitude for your unique project requirements.

Storage Tanks

As a committed and qualified contractor, DIALOG Fitzroy conforms to API, ASME and all other relevant standards, codes and regulations, as well as to our own strict quality assurance and quality control policies and procedures. Our repair and maintenance expertise for above ground, welded steel tanks is fully comprehensive.

  • Seal Repairs: out-of-service seals repairs and replacements and in-service work in some circumstances
  • Fixed and Floating roof repairs and replacements: internal and external roofs, roof leg repair, pontoon
    repair, section or entire replacement
  • Tank jacking: proven and safe tank jacking systems, retaining tank roundness and eliminating buckling
  • Tank Shell Repair: evaluation, shell plate replacement, buckling repairs, nozzle and doorway repair and replacement
  • Annular and bottom replacements: install patch plates, replace annular rings, remove and replace the tank bottom or install a secondary bottom
  • Repairs and renewals of access towers, roof platforms


DIALOG Fitzroy provide unique end-to-end tank recertification services. Using well-defined and logical methodologies our process takes care of all the steps required for tank inspection and recertification, and to bring uncertified tanks back online.

All work is carried out according to client specifications as well as relevant AS/NZS/API standards and New Zealand and Australia regulations and standards

Front end reviews

  • Remedial History Review
  • Past BC1/BC2 API Inspection Reports
  • Review Current Certificates Tests
  • Review of Product History & Operational history

Site inspections and surveys

  • BC1 API Inspection
  • Coatings Inspection
  • Roof/Pontoon/Vents/Drains/Seal
  • Ladders
  • Bulge Survey
  • Bund Survey

Identification of best fit solution and execution steps

  • API Inspection report
  • Coatings Inspection Report
  • HSWA Review meeting
  • Survey Results
  • Any other findings

Project planning, execution, certification and commissioning

Plant Change & Maintenance

DIALOG Fitzroy are long standing, full service terminal maintenance contractors and have a record with terminal and tank operators for Fuel, Oil, Aviation, Bitumen, Refining, Chemical, LPG storage.

When it comes to above ground storage tanks and terminals, there’s no one more qualified, capable or dedicated to safety and quality than DIALOG Fitzroy. We deliver the absolute best in plant change design, management and construction. We are proud of our customer focus, and our commitment to your success makes us stand apart.

DIALOG Fitzroy brings the experience, resources and make it happen attitude to ensure that your project comes in on time, within budget and with an unwavering commitment to safety.

For plant change and repair activities our skilled personnel provide turn-key solutions for engineering and construction, bringing quality, efficiency and a comprehensive set of services encompassing project FEED, design, procurement, project management, through to commissioning, operations and maintenance.

Fire protection system upgrades • Instrument & electrical enhancements • Cleaning • Pipe route alterations • Pump and valve modifications • Protective coatings • Heat tracing • Process optimization and digitisation

Surface Preparation & Coating

DIALOG Fitzroy provide internal and external protection of storage tanks, we are qualified in using a range of specialised coatings. The quality of our workmanship provides long-term protection against weathering, chemical attack, erosion and corrosion, and fire.

We are pioneers in adopting robotic blasting equipment with the use of the Vertidrive M3 Tank Robotic Crawler which provides super-efficient Ultra High Pressure Water Jet blasting, and M4 Robotic for garnet blasting – these innovations have improved surface preparation productivity and HSE risk significantly since their introduction to the industry.

New Builds

We provide turnkey design and construction of storage terminal facilities of all sizes, and have recent experience as EPC contractor of a multi-tank 105 million litre terminal expansion project. We offer a fully integrated design-build team ensuring affordable design solutions, streamlining the construction process by integrating design with the construction sequence; storage tank sizing, plot plans, civil engineering, piping design ISOs and fabrication drawings, I&E design, procurement and supply, detailed design, fire water network design, maintenance planning and all other services.

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